USB Fan Mini Personal Desk Fan, 4" (Black) Condition: 100% brand new and high quality Color: Black USB Powered (No external power required) Size: 150 x 80 x 145mm NOTE: Ace_store is the only entity authorized to provide authorization to sell its products on Amazon.com. Any other listing constitutes a violation of Ace_store's trademark rights, copyrights, and Amazons Participation Agreement.